WC
William Crosby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Iowa
Our Model Tree links this William Crosby across the 1930 and 1940 US Censuses in Hamilton-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 7-person household.
Age 62
b. ~1878
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Iowa |
| Surname | Crosby |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Webster twp |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Webster Twp |
| Est. Birth Year | ~1878 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Donald Crosby | Son | — | 12 | ~1928 |
| Victor Crosby | Son | — | 20 | ~1920 |
| William Crosby | Head | — | 62 | ~1878 |
| Alice Crosby | Daughter | — | 18 | ~1922 |
| Marjorie Crosby | Daughter | — | 26 | ~1914 |
| Mariam Crosby | Daughter | — | 24 | ~1916 |
| Grace Crosby | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Hamilton, Iowa
Head, age 52
Hamilton, Iowa · implied b. ~1878 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Crosby |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 34 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hamilton-County, Iowa
Head, age 62
Hamilton-County, Iowa · implied b. ~1878 — 7 household members
| Surname | Crosby |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Webster twp |
| 1935 Residence (County) | Hamilton |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same Place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links William Crosby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Crosby
Head · 1940 · age 62 · b. ~1878 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hamilton-County, Iowa
Open full size
1940 US Federal Census — Hamilton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00550)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oscar Johnson | 56 | Head | Farmer | Iowa |
| 42 | Ora Johnson | 53 | Wife | — | Iowa |
| 43 | Gale Johnson | 22 | Son | Farmer | Iowa |
| 44 | Lucille Johnson | 19 | Daughter | Teacher | Iowa |
| 45 | William Crosby THIS PERSON | 62 | Head | Farmer | Iowa |
| 46 | Grace Crosby | 48 | Wife | — | Iowa |
| 47 | Marjorie Crosby | 26 | Daughter | Teacher | Iowa |
| 48 | Mariam Crosby | 24 | Daughter | Teacher | Iowa |
| 49 | Victor Crosby | 20 | Son | Farmer | Iowa |
| 50 | Alice Crosby | 18 | Daughter | — | Iowa |
| 51 | Donald Crosby | 12 | Son | — | Iowa |
| 52 | Harmon Layne | 61 | Head | Farmer | Iowa |
| 53 | Nellie Layne | 59 | Wife | — | Illinois |
| 54 | Bonny Jane Layne | 24 | Daughter | — | Montana |
| 55 | Everett Wilson | 30 | Head | Trucker | Iowa |
| 56 | Evelyn Wilson | 28 | Wife | — | Iowa |
| 57 | Ralph Wilson | 11 | Son | — | Iowa |
| 58 | Lorraine Wilson | 9 | Daughter | — | Iowa |
| 59 | Melvin Daniels | 23 | Lodger | Trucker | Iowa |
| 60 | Alfred Daniels | 22 | Lodger | Trucker | Iowa |
| 61 | William White | 45 | Head | Farmer | Illinois |
| 62 | Betsey White | 46 | Wife | — | Iowa |
| 63 | Ellen Rose White | 19 | Daughter | — | Iowa |
| 64 | Doris Maxine White | 18 | Daughter | — | Iowa |
| 65 | Ruth Mary White | 11 | Daughter | — | Iowa |
| 66 | Donna Mae White | 8 | Daughter | — | Iowa |
| 67 | Jeanine White | 5 | Daughter | — | Iowa |
| 68 | John White | 70 | Father in law | Farmer | Iowa |
| 69 | Russell Berryhill | 36 | Head | Farmer | Iowa |
| 70 | Irene Berryhill | 34 | Wife | — | California |
| 71 | Emily Berryhill | 18 | Daughter | — | California |
| 72 | John Berryhill | 13 | Son | — | California |
| 73 | Francis Pierre | 55 | Head | Farmer | Iowa |
| 74 | Gladys Pierre | 48 | Wife | — | Iowa |
| 75 | George Leslie | 64 | Head | Store | Iowa |
| 76 | Rose Leslie | 65 | Wife | — | Iowa |
| 77 | Elmer Herrick | 80 | Head | Farmer | Wisconsin |
| 78 | Mary Herrick | 73 | Wife | — | Iowa |
| 79 | Perley Palmer | 23 | Head | Farmer | Iowa |
| 80 | Evelyn Palmer | 20 | Wife | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)